摘要:
List<People>list=...;//importjava.util.ArrayList;importjava.util.Collections;importjava.util.List;classPersonimplementsComparable{privateintage;privateStringname;publicPerson(){//TODOAuto-generatedconstructorstubage=0;name="";}Person(intage,Stringname){this.age=age;this.name=name;}pu 阅读全文